Feral Interactive has announced that its Mac port of Batman: Arkham City Game of the Year Edition will be released on December 13. Originally scheduled to be released in November, the game will feature the core campaign as well as the Harley Quinn's Revenge, Catwoman, Nightwing, and Robin DLC packs. Batman: Arkham City GOTY for the Mac will retail for $40, and will be offered as a direct download through a variety of digital partner sites, as well as Feral's own online store.